名词
中文翻译：标记螺丝
同义词：
['marking bolt', 'marking stud']
例句：
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1.The carpenter used a marking screw to mark the wood for cutting.
木匠用标记螺丝来标记木材以便切割。
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2.The engineer marked the screws with different colors to indicate their function.
工程师用不同颜色的标记螺丝来表示它们的作用。
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3. The construction worker tightened the screws on the wooden planks to ensure they were secure.
建筑工人在木板上紧固螺丝，确保它们牢固。